#if 0
#include "stdio.h"

int main(){
    int a,b,sum,min,tim,sep;
    a = 7;
    b = 2;
    sum = a + b;
    min = a - b;
    tim = a * b;
    sep = a / b;
    printf("%d + %d = %d\n",a,b,sum);
    printf("%d - %d = %d\n",a,b,min);
    printf("%d * %d = %d\n",a,b,tim);
    printf("%d / %d = %d\n",a,b,sep);
    return 0;
}
#endif
